--- a/Makefile.in
+++ b/Makefile.in
@@ -149,7 +149,7 @@ sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 sysconfdir = @sysconfdir@
 target_alias = @target_alias@
-SUBDIRS = lib bc dc doc
+SUBDIRS = lib bc dc
 MAINTAINERCLEANFILES = aclocal.m4 config.h.in configure Makefile.in \
 			stamp-h $(distdir).tar.gz h/number.h depcomp missing
 
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,6 @@
 ## Process this file with automake to produce Makefile.in
 
-SUBDIRS = lib bc dc doc
+SUBDIRS = lib bc dc
 
 MAINTAINERCLEANFILES =  aclocal.m4 config.h.in configure Makefile.in \
 			stamp-h $(distdir).tar.gz h/number.h depcomp missing
